April weather forecast
Kingston, Jamaica

April ushers in a transitioning climate in Kingston; temperatures, rainfall amount, and relative humidity generally rise when compared to March figures. With rainfall measurements rising significantly to 39mm (1.54"), showers become more frequent, though light and short-lived. As we advance towards May, one can expect even more rainfall as well as increasing night temperatures.

Temperature

The transition into April is marked with an average high-temperature of a still tropical 31.1°C (88°F), showing an insignificant shift from March's 30.7°C (87.3°F). Kingston's nighttime temperature during April is consistently averaged at a pleasant 22.6°C (72.7°F).

Heat index

The heat index in April is evaluated at a fiery hot 38°C (100.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In April, the average relative humidity is 72%.

Rainfall

In Kingston, during April, the rain falls for 7 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, in Kingston, there are 93 rainfall days, and 813mm (32.01") of precipitation is accumulated.

Sea temperature

In Kingston, in April, the average water temperature is 27.7°C (81.9°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In Kingston, the average length of the day in April is 12h and 34min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:20. On the last day of April, sunrise is at 05:40 and sunset at 18:28 EST.

Sunshine

February and April, with an average of 8.6h of sunshine, are months with the most sunshine in Kingston, Jamaica.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During April, 12 as the daily maximum UV index converts into the following advice:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise. Warning! The Sun's UV rays intensify with reflections from sand and water.